Home / 106,419.28-146,856.84-58,677.12

Finding the Fourth Proportional to 106,419.28, 146,856.84 and 58,677.12

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Solution

The fourth proportional to 106,419.28, 146,856.84 and 58,677.12 is: 80,973.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,419.28 : 146,856.84 = 58,677.12 : x
  2. Step 2: Convert to fraction form
    106,419.28/146,856.84 = 58,677.12/x
  3. Step 3: Cross multiply
    106,419.28x = 146,856.84 × 58,677.12
  4. Step 4: Simplify right side
    106,419.28x = 8,617,136,423.50
  5. Step 5: Solve for x
    x = 8,617,136,423.50/106,419.28
  6. Step 6: Final answer
    x = 80,973.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.